Question

prove that the following identities cos theta - sin theta /cos theta =1-tan theta​

Answer 1

Answer:

To prove:

$\frac{ \cos - \ \sin }{ \cos } = 1 - \tan$

Answer:

$\frac{ \cos }{ \cos } - \frac{sin}{cos} = 1 - tan$

$1 - tan = 1 - tan$

Note:

$\large{sin/cos=tan}$